Front of Vehicle/Engine Compartment Component Views. GMC Truck Yukon XL

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon XL - 2WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Front of Vehicle/Engine Compartment Component Views

Figure 1:

Front Fascia Components (X88)


(1)	Headlamp - Left High Beam
(2)	Headlamp - Left Low Beam
(3)	Marker Lamp - Left Front
(4)	Park/Turn Signal Lamp - Left
(5)	Daytime Running Lamp (DRL) - Left
(6)	Fog Lamp - Left Front (T96)
(7)	Daytime Running Lamp (DRL) - Right
(8)	Park/Turn Signal Lamp - Right
(9)	Fog Lamp - Right Front (T96)
(10)	Marker Lamp - Right Front
(11)	Headlamp - Right Low Beam
(12)	Headlamp - Right High Beam

Figure 2:

Front Fascia Components (Z88 with Y91)


(1)	Park/Turn Signal Lamp - Left (Z88/Y91)
(2)	Marker Lamp - Left Front
(3)	Headlamp - Left
(4)	Fog Lamp - Left Front (T96)
(5)	Park/Turn Signal Lamp - Right (Z88/Y91)
(6)	Headlamp - Right
(7)	Fog Lamp - Right Front (T96)
(8)	Marker Lamp - Right Front

Figure 3:

Forward Lighting (Y91 or Z75)


(1)	Park Lamp - Left Front (Z75)
(2)	Repeater Lamp - Left Front (TR2)
(3)	Marker Lamp - Left Front
(4)	Daytime Running Lamp (DRL) - Left
(5)	Headlamp - Left
(6)	Turn Signal Lamp - Left Front
(7)	Fog Lamp - Left Front (T96)
(8)	Fog Lamp - Right Front (T96)
(9)	Turn Signal Lamp - Right Front
(10)	Marker Lamp - Right Front
(11)	Repeater Lamp - Right Front (TR2)
(12)	Headlamp - Right
(13)	Daytime Running Lamp (DRL) - Right
(14)	Park Lamp - Right Front (Z75)

Figure 4:

Under Front Engine Compartment


(1)	Engine Control Module (ECM)
(2)	Engine Cooling Fan - Left
(3)	Engine Cooling Fan - Right
(4)	Inflatable Restraint Front Sensor - Right
(5)	Inflatable Restraint Front Sensor - Left
(6)	Transmission Control Module (TCM) (M30)
(7)	Automatic Level Control (ALC) Relay (Z55)

Figure 5:

Behind the Front Grille Components


(1)	Hood Ajar Switch (AP3 or AP8)
(2)	Ambient Air Temperature Sensor - HVAC (CJ2)
(3)	Rear Window Washer Fluid Pump (E52)
(4)	Windshield Washer Fluid Level Switch
(5)	Windshield Washer Fluid Pump
(6)	Horn - Left
(7)	Ambient Air Temperature Sensor - HVAC (CJ2)
(8)	Horn - Right

Figure 6:

Hybrid Control Electronic Component Views


(1)	Drive Motor Generator Control Module Assembly
(2)	Accessory DC Power Control Module
(3)	Drive Motor Generator Power Inverter Module
(4)	Hybrid Powertrain Control Module (HPCM)
(5)	Motor Control Module (MCM) 1, Motor Control Module (MCM) 2
(6)	Sight Shield Circuit Breaker
(7)	Drive Motor Generator Power Inverter Module 3 Phase Cable Assembly
(8)	Drive Motor Battery 300 Volt Positive and Negative Cable Assembly
(9)	Drive Motor with Generator Assembly - 1st Position
(10)	Drive Motor with Generator Assembly - 2nd Position
(11)	Drive Motor Generator Battery
(12)	Drive Motor Generator Battery Control Module
(13)	Drive Motor Battery Cable Terminal Extension Cover
(14)	Transmission Power Inverter Module (3 Phase) Cable Cover
(15)	Automatic Transmission Auxiliary Fluid Pump Control Module
(16)	Automatic Transmission Auxiliary Fluid Pump Assembly
(17)	A/C Compressor

Figure 7:

High Voltage Ring Terminal Locator


(1)	Air Conditioner Compressor 300 V B-
(2)	Air Conditioner Compressor 300 V B+
(3)	Motor 2 Phase U
(4)	Motor 2 Phase W
(5)	Motor 2 Phase V
(6)	Motor 1 Phase U
(7)	Motor 1 Phase W
(8)	Motor 1 Phase V
(9)	Drive Motor Generator Battery 300 V B-
(10)	Drive Motor Generator Battery 300 V B+

Figure 8:

Left Side of Engine Compartment Components


(1)	Windshield Wiper Motor
(2)	Power Brake Booster (JD9)
(3)	Windshield Washer Solvent Heater (XA7)
(4)	Fuse Block - Underhood
(5)	Engine Control Module (ECM)
(6)	Transmission Control Module (TCM) (M30)
(7)	Brake Booster Vacuum Sensor
(8)	Brake Fluid Level Switch

Figure 9:

Brake Master Cylinder Piston Position Sensor (HP2)


(1)	Brake Master Cylinder Piston Position Sensor

Figure 10:

Front of Engine Compartment Components (HP2)


(1)	Engine Cooling Fan Resistor - Left
(2)	Engine Cooling Fan Resistor - Right
(3)	Generator Control Module Temperature Sensor
(4)	A/C Low Pressure Sensor
(5)	Inflatable Restraint Front End Sensor - Right
(6)	High Voltage Circuit Impact Detection Sensor
(7)	Inflatable Restraint Front End Sensor - Left
(8)	Heater Coolant Pump
(9)	Generator Control Module Coolant Pump - Right
(10)	Generator Control Module Coolant Pump - Left

Figure 11:

Engine Compartment


(1)	A/C Refrigerant Pressure Sensor (Except HP2)
(2)	A/C Refrigerant Pressure Sensor (HP2)
(3)	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(4)	Battery (Except HP2)
(5)	A/C Low Pressure Switch (except HP2)
(6)	Battery (HP2)

Figure 12:

Engine Compartment - Right Hand Side (HP2)


(1)	Drive Motor Generator Power Inverter Module Cover
(2)	Electronic Power Steering Motor Control Module
(3)	A/C Compressor
(4)	Heater Coolant Pump
(5)	Accessory DC Power Control Module
(6)	Drive Motor Generator Power Inverter Module

Figure 13:

Engine Compartment - Left Front (HP2)


(1)	Fuse Block - Underhood
(2)	Fuse Block - Auxiliary (HP2)
(3)	Engine Control Module (ECM) (HP2)
(4)	Battery Current Sensor (HP2)